Patent · US Expired

Dyes for ink jet printing

US5989326A · kind A · utility

6Cited by
6References
10Claims
0Family size

Assignee

Inventor

Key dates

Filing dateFeb 3, 1998
Grant dateNov 23, 1999
Priority date
Expiry dateFeb 3, 2018

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC09B67/0055
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

Disazo dyes formula (VIII) ##STR1## or of formula (IX) ##STR2## Where A, R.sub.1, R.sub.2, n and M are as defined in the specification are excellent dyes for ink jet printing.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.